B. 25 / 25
ExplanationStep 1: Mean = total sum divided by observations. Step 2: Sum is 100 and observations are 4 so mean is 25. Step 3: Add all values for mean.
Step 1: Mean = total sum / observations होता है। Step 2: Sum 100 और observations 4 हैं इसलिए mean 25 है। Step 3: Mean के लिए सभी values जोड़ें।
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